Angular http.post without .subscribe callback

Question

I\'m wondering if I can make just a http post request without subscribing on callbacks, something like this

 this._http.post(\'/list/items/u         


        

Answer 1

Just like @picci points, regular observables are cold observables. If you want to make the request you can try @lex82 idea, here is a rxjs 6 draft:

import { ConnectableObservable } from "rxjs"
import { publish } from "rxjs/operators";

const myConnectableObservable: ConnectableObservable = this._http.post('/list/items/update?itemId=' + itemId + "&done=" + done, null).pipe(publish()) as ConnectableObservable;
myConnectableObservable.connect();

which basically is like a subscribe but without to make a real subscription.

https://blog.danlew.net/2018/09/25/connectable-observables-so-hot-right-now/